Ge, Peicong
Zhang, Qian
Ye, Xun
Liu, Xingju
Deng, Xiaofeng
Wang, Jia
Wang, Rong
Zhang, Yan
Zhang, Dong
Zhao, Jizong
Article History
Received: 29 October 2019
Accepted: 10 January 2020
First Online: 17 January 2020
Ethics approval and consent to participate
: The study was approved by Beijing Tiantan Hospital Ethics Committee, Capital medical university (Ethics review number: KY2016–048-01). We received appropriate approval and consent to utilize the Beijing Tiantan Hospital, Capital Medical University database for this study. Informed consent was written obtained from adult patients and the guardians of pediatric patients when patients were admitted to Department of Neurosurgery.
: Not applicable.
: The authors declare that they have no competing interests.